# mm/mempolicy: fix sleeping allocation in alloc_pages_bulk_weighted_interleave()

CVE record · `CVE-2026-89986`

- **Identifiers:** `CVE-2026-89986`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `fa3bea4e1f8202d787709b7e3654eb0a99aed758 to before bcb3d0c867ee40dc48e9c085bf328fbc679b6656` (git)
  - affected: `fa3bea4e1f8202d787709b7e3654eb0a99aed758 to before 0ceda28f371df9e0bbdaa29214f71fe8298f23d8` (git)
  - affected: `fa3bea4e1f8202d787709b7e3654eb0a99aed758 to before 2943f1f4b7f2816177060eb9f551f2e6d8b629ba` (git)
  - affected: `fa3bea4e1f8202d787709b7e3654eb0a99aed758 to before 540e583b66d6402bf556fde5e53c817a54c1afe5` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.9`
  - unaffected: `before 6.9` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0016, the 5th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89986](https://www.cve.org/CVERecord?id=CVE-2026-89986)
- [NVD: CVE-2026-89986](https://nvd.nist.gov/vuln/detail/CVE-2026-89986)

### References from the CNA

- <https://git.kernel.org/stable/c/bcb3d0c867ee40dc48e9c085bf328fbc679b6656>
- <https://git.kernel.org/stable/c/0ceda28f371df9e0bbdaa29214f71fe8298f23d8>
- <https://git.kernel.org/stable/c/2943f1f4b7f2816177060eb9f551f2e6d8b629ba>
- <https://git.kernel.org/stable/c/540e583b66d6402bf556fde5e53c817a54c1afe5>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-89986>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89986/>. Everything for agents: <https://agentprime.io/llms.txt>.